An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.
Classification: Parts of engines and motors, nesoi
NSN 4140-01-213-1941
NSN 5895-00-342-5858
NSN 6645-00-711-5381
NSN 5965-01-596-9909
NSN 6130-00-343-1660
NSN 6105-01-026-2803
NSN 6610-00-868-2412
NSN 5950-01-076-4232
NSN 6620-01-415-5803
NSN 5945-01-152-2945
NSN 6105-01-208-4930
NSN 6145-01-418-3761